Loran
C Navigational system for
ships. Transmission takes place on 100 kHz. Bandwidth was changed
in the middle of the sound. It sounds like "galloping
horses".SAQ Grimeton station. Transmission on 17.2
kHz. They also worked HAM bands as SA6Q (01/07/2001).SAQ* as received by my UC5695. LW 41m fed directly to the converter
(24/10/2010).

special events, sorted
chronologically:
7S6SAJ* Transmission from coastal station SAJ in
Karlsborg. They used 210 meters high T-antenna (05/02/2000).pile-up
on LF+ OZ1KMR and OE5ODL
calling concurrently (24/09/2000).

137...500
kHz

professional stations, sorted
chronologically:DDH47*
Special event transmission. DDH47 transmitted several times for
radioamateurs on 147.3 kHz (10/06/2009).